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Rasek [7]
3 years ago
7

What is the answer to 3•8-6/2

Mathematics
1 answer:
dsp733 years ago
5 0
Use PEMDAS
Multiply first:
3 • 8 = 24
24-6/2
Divide next:
6/2 = 3
24-3
Now subtract to get your answer:
21
Hope I helped!
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How do I solve this?
vodomira [7]
I’m assuming what you’re asking here is how to *factor* this expression. For that, let’s rearrange the expression into a more familiar form:

-c^2-4c+21

From here, we’ll factor out a -1 so that we have:

-(c^2+4c-21)

Let’s focus on the quadratic expression inside the parentheses. To find our factors (c + x)(c + y), we’ll need to find two terms x and y that multiply together to make -21 and add together to make 4. It turns out that the numbers -3 and 7 work out perfectly for that purpose (-3 x 7 = -21 and 7 + (-3) = 4), so substituting them in for x and y, we have:

(c + (-3))(c + 7)
(c - 3)(c + 7)

And adding back on the negative from a few steps earlier:

-(c - 3)(c + 7)
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3 years ago
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If you were to add the two numbers you would get 2 1/2 so the answer would be 2 1/2 hours altogether.

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Henry was thinking of a number Henry halves it and gets a an answer of 12.4 what was the original number
jeka94
Answer: 24.8
Explanation: If Henry is halving a number, that means he's dividing it by 2, getting two halves. You would get the original number by undoing that division, or multiplying the product by 2.
2 x 12.4 = 24.8
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Which of the following ordered pairs could be the y-intercept of a function?
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deff fn [24]

Step-by-step explanation:

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